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SICK · Photoelectric sensor
WTB4S-3N1361 is a SICK photoelectric sensor with Output type (PNP/NPN) PNP; Supply voltage 10...30 V DC (IEC 60947-5-2); Enclosure rating IP67 (IEC 60529). It is used in conveyor object detection, machine guarding, position feedback where the installed unit is matched to the original catalog number and a compact, documented part is required.
| Electrical | |
| Supply voltage | 10...30 V DC (IEC 60947-5-2) |
|---|---|
| Output current | 50 mA |
| Power consumption | < 20 mA |
| Frequency | 400 Hz |
| I/O and communication | |
| Response time | <= 1000 Hz switching frequency |
| Output type (PNP/NPN) | PNP |
| Mechanical | |
| Dimensions (H x W x D) | 20.6 mm x 99.2 mm x 48.9 mm |
| Weight | 0.036 kg, 0.08 lbs |
| Enclosure rating | IP67 (IEC 60529) |
| Environment and compliance | |
| Operating temperature | -25...+70 °C (IEC 60068-2-1) |
| Certifications | CE, cULus |
Values follow the SICK Photoelectric sensor specification for this catalog number; parameters not confirmed for this variant are omitted rather than estimated.
| SICK Photoelectric sensor variants | |||
| Catalog number | Output type (PNP/NPN) | Supply voltage | |
|---|---|---|---|
| WTB4S-3N1361 (this page) | PNP | 10...30 V DC (IEC 60947-5-2) | |
| WTB16P-34161420A00 | — | 10...30 V DC (IEC 60947-5-2) | |
| WTB26I-24162122A00 | — | 10...30 V DC (IEC 60947-5-2) | |
| WTB27-3V2461530 | PNP | 10...30 V DC (IEC 60947-5-2) | |
Before selecting an alternative, confirm its dimensions, terminals and installation requirements in the manufacturer documentation.
The WTB4S-3N1361 is the device-level element in a SICK photoelectric sensor installation. It receives the field signals and control supply listed above — 10...30 V DC (IEC 60947-5-2) — and switches or conditions the load within the the rated ratings shown in the Specifications table. Wiring and protective devices are sized to those same numbers, not to a generic assumption.
Typical installations place it in conveyor object detection, machine guarding, position feedback, where the unit is matched to the original catalog number and the enclosure provides standard panel or DIN-rail support. Record the catalog number and revision from the nameplate of the installed unit before specifying a like-for-like spare.
SICK WTB4S-3N1361 — Sensor or detector for object detection, distance measurement and status feedback on production lines. The figures below are taken from the specification table on this page for catalog number WTB4S-3N1361; confirm the installed unit's part number and revision so the replacement matches both electrically and mechanically.
For a discontinued unit, match function and electrical ratings rather than the label alone.
Q.Where can I find the output current data for WTB4S-3N1361?
It is listed in the specification table for SICK WTB4S-3N1361 as 50 mA. Use the value as the reference when sourcing a current-production equivalent.
Q.For WTB4S-3N1361, what does the specification table state about certifications?
The specification table lists certifications = CE, cULus for SICK WTB4S-3N1361. Check the revision of the installed unit if the catalog number has been superseded.
Q.Which value is published under operating temperature for catalog number WTB4S-3N1361?
For WTB4S-3N1361, operating temperature is given as -25...+70 °C (IEC 60068-2-1). Compare it with the nameplate of the installed unit before ordering.
Q.Can the WTB4S-3N1361 replace the unit currently installed in my panel?
Compare catalog number WTB4S-3N1361 and the ratings above with the nameplate of the installed device. A current-production equivalent is selected by function and electrical rating, not by the label alone.
Q.What should I include in an enquiry for WTB4S-3N1361?
Send the full catalog number WTB4S-3N1361, the required quantity and a photo of the nameplate. Stock, lead time and the applicable compliance documents can then be confirmed for SICK WTB4S-3N1361.
Standard (US & Canada, tracked courier): delivered in 5–8 business days. In-stock items are processed within 2–4 business days. USD 25 flat rate on orders under $500.00; free on orders of $500.00 and above.
Express (DHL Express / FedEx International): upgraded expedited delivery in 2–4 business days. The Express surcharge is calculated at checkout based on destination and order weight.
Non-Stock / On-Order items ship on request: dispatch time is confirmed before your order — see our Shipping Policy. Shipping charges and available services are displayed at checkout. See the Shipping Policy for details.
Every product is covered by a 12-month seller warranty provided by SHLY-PLC, effective from the date of delivery, against defects in materials and workmanship under normal use.
This warranty does not cover damage from misuse, improper installation, power surges, neglect, unauthorized repair, or normal wear and tear. See our Return Policy for warranty-claim instructions.
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